Introduction Specifications and FeaturesLaunched just eight months after its announced development, the Tamron 16-300mm F/3.5-6.3. Di II VC PZD Macro is the most ambitious iteration of the maker’s super-zoom series to date. Not only does the reach extend to 300mm up from 270mm, but the wider end expands coverage from 18mm to 16mm, making it the equivalent of a 24-450mm in a package not much larger than some starter zooms. Features include stabilization (vibration compensation) on Canon- and Nikon-mount models, and a practically silent sonic-type AF motor with full-time manual override. Tamron claims a weather-resistant build,